sftpgo-mirror/dataprovider/bolt.go

1057 lines
26 KiB
Go

// +build !nobolt
package dataprovider
import (
"crypto/x509"
"encoding/json"
"errors"
"fmt"
"path/filepath"
"time"
bolt "go.etcd.io/bbolt"
"github.com/drakkan/sftpgo/logger"
"github.com/drakkan/sftpgo/utils"
"github.com/drakkan/sftpgo/version"
"github.com/drakkan/sftpgo/vfs"
)
const (
boltDatabaseVersion = 6
)
var (
usersBucket = []byte("users")
foldersBucket = []byte("folders")
adminsBucket = []byte("admins")
dbVersionBucket = []byte("db_version")
dbVersionKey = []byte("version")
)
// BoltProvider auth provider for bolt key/value store
type BoltProvider struct {
dbHandle *bolt.DB
}
func init() {
version.AddFeature("+bolt")
}
func initializeBoltProvider(basePath string) error {
var err error
dbPath := config.Name
if !utils.IsFileInputValid(dbPath) {
return fmt.Errorf("invalid database path: %#v", dbPath)
}
if !filepath.IsAbs(dbPath) {
dbPath = filepath.Join(basePath, dbPath)
}
dbHandle, err := bolt.Open(dbPath, 0600, &bolt.Options{
NoGrowSync: false,
FreelistType: bolt.FreelistArrayType,
Timeout: 5 * time.Second})
if err == nil {
providerLog(logger.LevelDebug, "bolt key store handle created")
err = dbHandle.Update(func(tx *bolt.Tx) error {
_, e := tx.CreateBucketIfNotExists(usersBucket)
return e
})
if err != nil {
providerLog(logger.LevelWarn, "error creating users bucket: %v", err)
return err
}
if err != nil {
providerLog(logger.LevelWarn, "error creating username idx bucket: %v", err)
return err
}
err = dbHandle.Update(func(tx *bolt.Tx) error {
_, e := tx.CreateBucketIfNotExists(foldersBucket)
return e
})
if err != nil {
providerLog(logger.LevelWarn, "error creating folders bucket: %v", err)
return err
}
err = dbHandle.Update(func(tx *bolt.Tx) error {
_, e := tx.CreateBucketIfNotExists(adminsBucket)
return e
})
if err != nil {
providerLog(logger.LevelWarn, "error creating admins bucket: %v", err)
return err
}
err = dbHandle.Update(func(tx *bolt.Tx) error {
_, e := tx.CreateBucketIfNotExists(dbVersionBucket)
return e
})
if err != nil {
providerLog(logger.LevelWarn, "error creating database version bucket: %v", err)
return err
}
provider = &BoltProvider{dbHandle: dbHandle}
} else {
providerLog(logger.LevelWarn, "error creating bolt key/value store handler: %v", err)
}
return err
}
func (p *BoltProvider) checkAvailability() error {
_, err := getBoltDatabaseVersion(p.dbHandle)
return err
}
func (p *BoltProvider) validateUserAndTLSCert(username, protocol string, tlsCert *x509.Certificate) (User, error) {
var user User
if tlsCert == nil {
return user, errors.New("TLS certificate cannot be null or empty")
}
user, err := p.userExists(username)
if err != nil {
providerLog(logger.LevelWarn, "error authenticating user %#v: %v", username, err)
return user, err
}
return checkUserAndTLSCertificate(&user, protocol, tlsCert)
}
func (p *BoltProvider) validateUserAndPass(username, password, ip, protocol string) (User, error) {
var user User
if password == "" {
return user, errors.New("credentials cannot be null or empty")
}
user, err := p.userExists(username)
if err != nil {
providerLog(logger.LevelWarn, "error authenticating user %#v: %v", username, err)
return user, err
}
return checkUserAndPass(&user, password, ip, protocol)
}
func (p *BoltProvider) validateAdminAndPass(username, password, ip string) (Admin, error) {
admin, err := p.adminExists(username)
if err != nil {
providerLog(logger.LevelWarn, "error authenticating admin %#v: %v", username, err)
return admin, err
}
err = admin.checkUserAndPass(password, ip)
return admin, err
}
func (p *BoltProvider) validateUserAndPubKey(username string, pubKey []byte) (User, string, error) {
var user User
if len(pubKey) == 0 {
return user, "", errors.New("credentials cannot be null or empty")
}
user, err := p.userExists(username)
if err != nil {
providerLog(logger.LevelWarn, "error authenticating user %#v: %v", username, err)
return user, "", err
}
return checkUserAndPubKey(&user, pubKey)
}
func (p *BoltProvider) updateLastLogin(username string) error {
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getUsersBucket(tx)
if err != nil {
return err
}
var u []byte
if u = bucket.Get([]byte(username)); u == nil {
return &RecordNotFoundError{err: fmt.Sprintf("username %#v does not exist, unable to update last login", username)}
}
var user User
err = json.Unmarshal(u, &user)
if err != nil {
return err
}
user.LastLogin = utils.GetTimeAsMsSinceEpoch(time.Now())
buf, err := json.Marshal(user)
if err != nil {
return err
}
err = bucket.Put([]byte(username), buf)
if err == nil {
providerLog(logger.LevelDebug, "last login updated for user %#v", username)
} else {
providerLog(logger.LevelWarn, "error updating last login for user %#v: %v", username, err)
}
return err
})
}
func (p *BoltProvider) updateQuota(username string, filesAdd int, sizeAdd int64, reset bool) error {
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getUsersBucket(tx)
if err != nil {
return err
}
var u []byte
if u = bucket.Get([]byte(username)); u == nil {
return &RecordNotFoundError{err: fmt.Sprintf("username %#v does not exist, unable to update quota", username)}
}
var user User
err = json.Unmarshal(u, &user)
if err != nil {
return err
}
if reset {
user.UsedQuotaSize = sizeAdd
user.UsedQuotaFiles = filesAdd
} else {
user.UsedQuotaSize += sizeAdd
user.UsedQuotaFiles += filesAdd
}
user.LastQuotaUpdate = utils.GetTimeAsMsSinceEpoch(time.Now())
buf, err := json.Marshal(user)
if err != nil {
return err
}
err = bucket.Put([]byte(username), buf)
providerLog(logger.LevelDebug, "quota updated for user %#v, files increment: %v size increment: %v is reset? %v",
username, filesAdd, sizeAdd, reset)
return err
})
}
func (p *BoltProvider) getUsedQuota(username string) (int, int64, error) {
user, err := p.userExists(username)
if err != nil {
providerLog(logger.LevelWarn, "unable to get quota for user %v error: %v", username, err)
return 0, 0, err
}
return user.UsedQuotaFiles, user.UsedQuotaSize, err
}
func (p *BoltProvider) adminExists(username string) (Admin, error) {
var admin Admin
err := p.dbHandle.View(func(tx *bolt.Tx) error {
bucket, err := getAdminBucket(tx)
if err != nil {
return err
}
a := bucket.Get([]byte(username))
if a == nil {
return &RecordNotFoundError{err: fmt.Sprintf("admin %v does not exist", username)}
}
return json.Unmarshal(a, &admin)
})
return admin, err
}
func (p *BoltProvider) addAdmin(admin *Admin) error {
err := admin.validate()
if err != nil {
return err
}
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getAdminBucket(tx)
if err != nil {
return err
}
if a := bucket.Get([]byte(admin.Username)); a != nil {
return fmt.Errorf("admin %v already exists", admin.Username)
}
id, err := bucket.NextSequence()
if err != nil {
return err
}
admin.ID = int64(id)
buf, err := json.Marshal(admin)
if err != nil {
return err
}
return bucket.Put([]byte(admin.Username), buf)
})
}
func (p *BoltProvider) updateAdmin(admin *Admin) error {
err := admin.validate()
if err != nil {
return err
}
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getAdminBucket(tx)
if err != nil {
return err
}
var a []byte
if a = bucket.Get([]byte(admin.Username)); a == nil {
return &RecordNotFoundError{err: fmt.Sprintf("admin %v does not exist", admin.Username)}
}
var oldAdmin Admin
err = json.Unmarshal(a, &oldAdmin)
if err != nil {
return err
}
admin.ID = oldAdmin.ID
buf, err := json.Marshal(admin)
if err != nil {
return err
}
return bucket.Put([]byte(admin.Username), buf)
})
}
func (p *BoltProvider) deleteAdmin(admin *Admin) error {
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getAdminBucket(tx)
if err != nil {
return err
}
if bucket.Get([]byte(admin.Username)) == nil {
return &RecordNotFoundError{err: fmt.Sprintf("admin %v does not exist", admin.Username)}
}
return bucket.Delete([]byte(admin.Username))
})
}
func (p *BoltProvider) getAdmins(limit int, offset int, order string) ([]Admin, error) {
admins := make([]Admin, 0, limit)
err := p.dbHandle.View(func(tx *bolt.Tx) error {
bucket, err := getAdminBucket(tx)
if err != nil {
return err
}
cursor := bucket.Cursor()
itNum := 0
if order == OrderASC {
for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
itNum++
if itNum <= offset {
continue
}
var admin Admin
err = json.Unmarshal(v, &admin)
if err != nil {
return err
}
admin.HideConfidentialData()
admins = append(admins, admin)
if len(admins) >= limit {
break
}
}
} else {
for k, v := cursor.Last(); k != nil; k, v = cursor.Prev() {
itNum++
if itNum <= offset {
continue
}
var admin Admin
err = json.Unmarshal(v, &admin)
if err != nil {
return err
}
admin.HideConfidentialData()
admins = append(admins, admin)
if len(admins) >= limit {
break
}
}
}
return err
})
return admins, err
}
func (p *BoltProvider) dumpAdmins() ([]Admin, error) {
admins := make([]Admin, 0, 30)
err := p.dbHandle.View(func(tx *bolt.Tx) error {
bucket, err := getAdminBucket(tx)
if err != nil {
return err
}
cursor := bucket.Cursor()
for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
var admin Admin
err = json.Unmarshal(v, &admin)
if err != nil {
return err
}
admins = append(admins, admin)
}
return err
})
return admins, err
}
func (p *BoltProvider) userExists(username string) (User, error) {
var user User
err := p.dbHandle.View(func(tx *bolt.Tx) error {
bucket, err := getUsersBucket(tx)
if err != nil {
return err
}
u := bucket.Get([]byte(username))
if u == nil {
return &RecordNotFoundError{err: fmt.Sprintf("username %#v does not exist", username)}
}
folderBucket, err := getFolderBucket(tx)
if err != nil {
return err
}
user, err = joinUserAndFolders(u, folderBucket)
return err
})
return user, err
}
func (p *BoltProvider) addUser(user *User) error {
err := ValidateUser(user)
if err != nil {
return err
}
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getUsersBucket(tx)
if err != nil {
return err
}
folderBucket, err := getFolderBucket(tx)
if err != nil {
return err
}
if u := bucket.Get([]byte(user.Username)); u != nil {
return fmt.Errorf("username %v already exists", user.Username)
}
id, err := bucket.NextSequence()
if err != nil {
return err
}
user.ID = int64(id)
user.LastQuotaUpdate = 0
user.UsedQuotaSize = 0
user.UsedQuotaFiles = 0
user.LastLogin = 0
for idx := range user.VirtualFolders {
err = addUserToFolderMapping(&user.VirtualFolders[idx].BaseVirtualFolder, user, folderBucket)
if err != nil {
return err
}
}
buf, err := json.Marshal(user)
if err != nil {
return err
}
return bucket.Put([]byte(user.Username), buf)
})
}
func (p *BoltProvider) updateUser(user *User) error {
err := ValidateUser(user)
if err != nil {
return err
}
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getUsersBucket(tx)
if err != nil {
return err
}
folderBucket, err := getFolderBucket(tx)
if err != nil {
return err
}
var u []byte
if u = bucket.Get([]byte(user.Username)); u == nil {
return &RecordNotFoundError{err: fmt.Sprintf("username %#v does not exist", user.Username)}
}
var oldUser User
err = json.Unmarshal(u, &oldUser)
if err != nil {
return err
}
for idx := range oldUser.VirtualFolders {
err = removeUserFromFolderMapping(&oldUser.VirtualFolders[idx], &oldUser, folderBucket)
if err != nil {
return err
}
}
for idx := range user.VirtualFolders {
err = addUserToFolderMapping(&user.VirtualFolders[idx].BaseVirtualFolder, user, folderBucket)
if err != nil {
return err
}
}
user.ID = oldUser.ID
user.LastQuotaUpdate = oldUser.LastQuotaUpdate
user.UsedQuotaSize = oldUser.UsedQuotaSize
user.UsedQuotaFiles = oldUser.UsedQuotaFiles
user.LastLogin = oldUser.LastLogin
buf, err := json.Marshal(user)
if err != nil {
return err
}
return bucket.Put([]byte(user.Username), buf)
})
}
func (p *BoltProvider) deleteUser(user *User) error {
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getUsersBucket(tx)
if err != nil {
return err
}
if len(user.VirtualFolders) > 0 {
folderBucket, err := getFolderBucket(tx)
if err != nil {
return err
}
for idx := range user.VirtualFolders {
err = removeUserFromFolderMapping(&user.VirtualFolders[idx], user, folderBucket)
if err != nil {
return err
}
}
}
exists := bucket.Get([]byte(user.Username))
if exists == nil {
return &RecordNotFoundError{err: fmt.Sprintf("user %#v does not exist", user.Username)}
}
return bucket.Delete([]byte(user.Username))
})
}
func (p *BoltProvider) dumpUsers() ([]User, error) {
users := make([]User, 0, 100)
err := p.dbHandle.View(func(tx *bolt.Tx) error {
bucket, err := getUsersBucket(tx)
if err != nil {
return err
}
folderBucket, err := getFolderBucket(tx)
if err != nil {
return err
}
cursor := bucket.Cursor()
for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
user, err := joinUserAndFolders(v, folderBucket)
if err != nil {
return err
}
err = addCredentialsToUser(&user)
if err != nil {
return err
}
users = append(users, user)
}
return err
})
return users, err
}
func (p *BoltProvider) getUsers(limit int, offset int, order string) ([]User, error) {
users := make([]User, 0, limit)
var err error
if limit <= 0 {
return users, err
}
err = p.dbHandle.View(func(tx *bolt.Tx) error {
bucket, err := getUsersBucket(tx)
if err != nil {
return err
}
folderBucket, err := getFolderBucket(tx)
if err != nil {
return err
}
cursor := bucket.Cursor()
itNum := 0
if order == OrderASC {
for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
itNum++
if itNum <= offset {
continue
}
user, err := joinUserAndFolders(v, folderBucket)
if err == nil {
user.PrepareForRendering()
users = append(users, user)
}
if len(users) >= limit {
break
}
}
} else {
for k, v := cursor.Last(); k != nil; k, v = cursor.Prev() {
itNum++
if itNum <= offset {
continue
}
user, err := joinUserAndFolders(v, folderBucket)
if err == nil {
user.PrepareForRendering()
users = append(users, user)
}
if len(users) >= limit {
break
}
}
}
return err
})
return users, err
}
func (p *BoltProvider) dumpFolders() ([]vfs.BaseVirtualFolder, error) {
folders := make([]vfs.BaseVirtualFolder, 0, 50)
err := p.dbHandle.View(func(tx *bolt.Tx) error {
bucket, err := getFolderBucket(tx)
if err != nil {
return err
}
cursor := bucket.Cursor()
for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
var folder vfs.BaseVirtualFolder
err = json.Unmarshal(v, &folder)
if err != nil {
return err
}
folders = append(folders, folder)
}
return err
})
return folders, err
}
func (p *BoltProvider) getFolders(limit, offset int, order string) ([]vfs.BaseVirtualFolder, error) {
folders := make([]vfs.BaseVirtualFolder, 0, limit)
var err error
if limit <= 0 {
return folders, err
}
err = p.dbHandle.View(func(tx *bolt.Tx) error {
bucket, err := getFolderBucket(tx)
if err != nil {
return err
}
cursor := bucket.Cursor()
itNum := 0
if order == OrderASC {
for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
itNum++
if itNum <= offset {
continue
}
var folder vfs.BaseVirtualFolder
err = json.Unmarshal(v, &folder)
if err != nil {
return err
}
folder.PrepareForRendering()
folders = append(folders, folder)
if len(folders) >= limit {
break
}
}
} else {
for k, v := cursor.Last(); k != nil; k, v = cursor.Prev() {
itNum++
if itNum <= offset {
continue
}
var folder vfs.BaseVirtualFolder
err = json.Unmarshal(v, &folder)
if err != nil {
return err
}
folder.PrepareForRendering()
folders = append(folders, folder)
if len(folders) >= limit {
break
}
}
}
return err
})
return folders, err
}
func (p *BoltProvider) getFolderByName(name string) (vfs.BaseVirtualFolder, error) {
var folder vfs.BaseVirtualFolder
err := p.dbHandle.View(func(tx *bolt.Tx) error {
bucket, err := getFolderBucket(tx)
if err != nil {
return err
}
folder, err = folderExistsInternal(name, bucket)
return err
})
return folder, err
}
func (p *BoltProvider) addFolder(folder *vfs.BaseVirtualFolder) error {
err := ValidateFolder(folder)
if err != nil {
return err
}
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getFolderBucket(tx)
if err != nil {
return err
}
if f := bucket.Get([]byte(folder.Name)); f != nil {
return fmt.Errorf("folder %v already exists", folder.Name)
}
folder.Users = nil
return addFolderInternal(*folder, bucket)
})
}
func (p *BoltProvider) updateFolder(folder *vfs.BaseVirtualFolder) error {
err := ValidateFolder(folder)
if err != nil {
return err
}
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getFolderBucket(tx)
if err != nil {
return err
}
var f []byte
if f = bucket.Get([]byte(folder.Name)); f == nil {
return &RecordNotFoundError{err: fmt.Sprintf("folder %v does not exist", folder.Name)}
}
var oldFolder vfs.BaseVirtualFolder
err = json.Unmarshal(f, &oldFolder)
if err != nil {
return err
}
folder.ID = oldFolder.ID
folder.LastQuotaUpdate = oldFolder.LastQuotaUpdate
folder.UsedQuotaFiles = oldFolder.UsedQuotaFiles
folder.UsedQuotaSize = oldFolder.UsedQuotaSize
folder.Users = oldFolder.Users
buf, err := json.Marshal(folder)
if err != nil {
return err
}
return bucket.Put([]byte(folder.Name), buf)
})
}
func (p *BoltProvider) deleteFolder(folder *vfs.BaseVirtualFolder) error {
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getFolderBucket(tx)
if err != nil {
return err
}
usersBucket, err := getUsersBucket(tx)
if err != nil {
return err
}
var f []byte
if f = bucket.Get([]byte(folder.Name)); f == nil {
return &RecordNotFoundError{err: fmt.Sprintf("folder %v does not exist", folder.Name)}
}
var folder vfs.BaseVirtualFolder
err = json.Unmarshal(f, &folder)
if err != nil {
return err
}
for _, username := range folder.Users {
var u []byte
if u = usersBucket.Get([]byte(username)); u == nil {
continue
}
var user User
err = json.Unmarshal(u, &user)
if err != nil {
return err
}
var folders []vfs.VirtualFolder
for _, userFolder := range user.VirtualFolders {
if folder.Name != userFolder.Name {
folders = append(folders, userFolder)
}
}
user.VirtualFolders = folders
buf, err := json.Marshal(user)
if err != nil {
return err
}
err = usersBucket.Put([]byte(user.Username), buf)
if err != nil {
return err
}
}
return bucket.Delete([]byte(folder.Name))
})
}
func (p *BoltProvider) updateFolderQuota(name string, filesAdd int, sizeAdd int64, reset bool) error {
return p.dbHandle.Update(func(tx *bolt.Tx) error {
bucket, err := getFolderBucket(tx)
if err != nil {
return err
}
var f []byte
if f = bucket.Get([]byte(name)); f == nil {
return &RecordNotFoundError{err: fmt.Sprintf("folder %#v does not exist, unable to update quota", name)}
}
var folder vfs.BaseVirtualFolder
err = json.Unmarshal(f, &folder)
if err != nil {
return err
}
if reset {
folder.UsedQuotaSize = sizeAdd
folder.UsedQuotaFiles = filesAdd
} else {
folder.UsedQuotaSize += sizeAdd
folder.UsedQuotaFiles += filesAdd
}
folder.LastQuotaUpdate = utils.GetTimeAsMsSinceEpoch(time.Now())
buf, err := json.Marshal(folder)
if err != nil {
return err
}
return bucket.Put([]byte(folder.Name), buf)
})
}
func (p *BoltProvider) getUsedFolderQuota(name string) (int, int64, error) {
folder, err := p.getFolderByName(name)
if err != nil {
providerLog(logger.LevelWarn, "unable to get quota for folder %#v error: %v", name, err)
return 0, 0, err
}
return folder.UsedQuotaFiles, folder.UsedQuotaSize, err
}
func (p *BoltProvider) close() error {
return p.dbHandle.Close()
}
func (p *BoltProvider) reloadConfig() error {
return nil
}
// initializeDatabase does nothing, no initilization is needed for bolt provider
func (p *BoltProvider) initializeDatabase() error {
return ErrNoInitRequired
}
func (p *BoltProvider) migrateDatabase() error {
dbVersion, err := getBoltDatabaseVersion(p.dbHandle)
if err != nil {
return err
}
switch version := dbVersion.Version; {
case version == boltDatabaseVersion:
providerLog(logger.LevelDebug, "bolt database is up to date, current version: %v", version)
return ErrNoInitRequired
case version < 6:
err = fmt.Errorf("database version %v is too old, please see the upgrading docs", version)
providerLog(logger.LevelError, "%v", err)
logger.ErrorToConsole("%v", err)
return err
default:
if version > boltDatabaseVersion {
providerLog(logger.LevelWarn, "database version %v is newer than the supported one: %v", version,
boltDatabaseVersion)
logger.WarnToConsole("database version %v is newer than the supported one: %v", version,
boltDatabaseVersion)
return nil
}
return fmt.Errorf("database version not handled: %v", version)
}
}
func (p *BoltProvider) revertDatabase(targetVersion int) error {
dbVersion, err := getBoltDatabaseVersion(p.dbHandle)
if err != nil {
return err
}
if targetVersion >= 8 {
targetVersion = 6
}
if dbVersion.Version == targetVersion {
return errors.New("current version match target version, nothing to do")
}
return errors.New("the current version cannot be reverted")
}
func joinUserAndFolders(u []byte, foldersBucket *bolt.Bucket) (User, error) {
var user User
err := json.Unmarshal(u, &user)
if err != nil {
return user, err
}
if len(user.VirtualFolders) > 0 {
var folders []vfs.VirtualFolder
for idx := range user.VirtualFolders {
folder := &user.VirtualFolders[idx]
baseFolder, err := folderExistsInternal(folder.Name, foldersBucket)
if err != nil {
continue
}
folder.BaseVirtualFolder = baseFolder
folders = append(folders, *folder)
}
user.VirtualFolders = folders
}
user.SetEmptySecretsIfNil()
return user, err
}
func folderExistsInternal(name string, bucket *bolt.Bucket) (vfs.BaseVirtualFolder, error) {
var folder vfs.BaseVirtualFolder
f := bucket.Get([]byte(name))
if f == nil {
err := &RecordNotFoundError{err: fmt.Sprintf("folder %v does not exist", name)}
return folder, err
}
err := json.Unmarshal(f, &folder)
return folder, err
}
func addFolderInternal(folder vfs.BaseVirtualFolder, bucket *bolt.Bucket) error {
id, err := bucket.NextSequence()
if err != nil {
return err
}
folder.ID = int64(id)
buf, err := json.Marshal(folder)
if err != nil {
return err
}
return bucket.Put([]byte(folder.Name), buf)
}
func addUserToFolderMapping(baseFolder *vfs.BaseVirtualFolder, user *User, bucket *bolt.Bucket) error {
f := bucket.Get([]byte(baseFolder.Name))
if f == nil {
// folder does not exists, try to create
baseFolder.LastQuotaUpdate = 0
baseFolder.UsedQuotaFiles = 0
baseFolder.UsedQuotaSize = 0
baseFolder.Users = []string{user.Username}
return addFolderInternal(*baseFolder, bucket)
}
var oldFolder vfs.BaseVirtualFolder
err := json.Unmarshal(f, &oldFolder)
if err != nil {
return err
}
baseFolder.ID = oldFolder.ID
baseFolder.LastQuotaUpdate = oldFolder.LastQuotaUpdate
baseFolder.UsedQuotaFiles = oldFolder.UsedQuotaFiles
baseFolder.UsedQuotaSize = oldFolder.UsedQuotaSize
baseFolder.Users = oldFolder.Users
if !utils.IsStringInSlice(user.Username, baseFolder.Users) {
baseFolder.Users = append(baseFolder.Users, user.Username)
}
buf, err := json.Marshal(baseFolder)
if err != nil {
return err
}
return bucket.Put([]byte(baseFolder.Name), buf)
}
func removeUserFromFolderMapping(folder *vfs.VirtualFolder, user *User, bucket *bolt.Bucket) error {
var f []byte
if f = bucket.Get([]byte(folder.Name)); f == nil {
// the folder does not exists so there is no associated user
return nil
}
var baseFolder vfs.BaseVirtualFolder
err := json.Unmarshal(f, &baseFolder)
if err != nil {
return err
}
if utils.IsStringInSlice(user.Username, baseFolder.Users) {
var newUserMapping []string
for _, u := range baseFolder.Users {
if u != user.Username {
newUserMapping = append(newUserMapping, u)
}
}
baseFolder.Users = newUserMapping
buf, err := json.Marshal(baseFolder)
if err != nil {
return err
}
return bucket.Put([]byte(folder.Name), buf)
}
return err
}
func getAdminBucket(tx *bolt.Tx) (*bolt.Bucket, error) {
var err error
bucket := tx.Bucket(adminsBucket)
if bucket == nil {
err = errors.New("unable to find admin bucket, bolt database structure not correcly defined")
}
return bucket, err
}
func getUsersBucket(tx *bolt.Tx) (*bolt.Bucket, error) {
var err error
bucket := tx.Bucket(usersBucket)
if bucket == nil {
err = errors.New("unable to find required buckets, bolt database structure not correcly defined")
}
return bucket, err
}
func getFolderBucket(tx *bolt.Tx) (*bolt.Bucket, error) {
var err error
bucket := tx.Bucket(foldersBucket)
if bucket == nil {
err = fmt.Errorf("unable to find required buckets, bolt database structure not correcly defined")
}
return bucket, err
}
func getBoltDatabaseVersion(dbHandle *bolt.DB) (schemaVersion, error) {
var dbVersion schemaVersion
err := dbHandle.View(func(tx *bolt.Tx) error {
bucket := tx.Bucket(dbVersionBucket)
if bucket == nil {
return fmt.Errorf("unable to find database version bucket")
}
v := bucket.Get(dbVersionKey)
if v == nil {
dbVersion = schemaVersion{
Version: 6,
}
return nil
}
return json.Unmarshal(v, &dbVersion)
})
return dbVersion, err
}
/*func updateBoltDatabaseVersion(dbHandle *bolt.DB, version int) error {
err := dbHandle.Update(func(tx *bolt.Tx) error {
bucket := tx.Bucket(dbVersionBucket)
if bucket == nil {
return fmt.Errorf("unable to find database version bucket")
}
newDbVersion := schemaVersion{
Version: version,
}
buf, err := json.Marshal(newDbVersion)
if err != nil {
return err
}
return bucket.Put(dbVersionKey, buf)
})
return err
}*/